CN100382161C - 用于管理记录介质的复制保护信息的方法 - Google Patents
用于管理记录介质的复制保护信息的方法 Download PDFInfo
- Publication number
- CN100382161C CN100382161C CNB2004800108928A CN200480010892A CN100382161C CN 100382161 C CN100382161 C CN 100382161C CN B2004800108928 A CNB2004800108928 A CN B2004800108928A CN 200480010892 A CN200480010892 A CN 200480010892A CN 100382161 C CN100382161 C CN 100382161C
- Authority
- CN
- China
- Prior art keywords
- recording medium
- copy protection
- protection information
- data
- drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000000052 comparative effect Effects 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims 3
- 230000003287 optical effect Effects 0.000 abstract description 17
- 238000007726 management method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
- G06F21/1011—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities to devices
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
- G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00246—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a local device, e.g. device key initially stored by the player or by the recorder
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/00369—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier wherein a first key, which is usually stored on a hidden channel, e.g. in the lead-in of a BD-R, unlocks a key locker containing a second
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
- G11B7/24082—Meandering
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Technology Law (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030026150 | 2003-04-24 | ||
KR1020030026150A KR100974449B1 (ko) | 2003-04-24 | 2003-04-24 | 광디스크의 복사 방지 정보 관리방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1777935A CN1777935A (zh) | 2006-05-24 |
CN100382161C true CN100382161C (zh) | 2008-04-16 |
Family
ID=36143555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800108928A Expired - Fee Related CN100382161C (zh) | 2003-04-24 | 2004-04-24 | 用于管理记录介质的复制保护信息的方法 |
Country Status (12)
Country | Link |
---|---|
US (2) | US20040213113A1 (fr) |
EP (1) | EP1616325A4 (fr) |
JP (1) | JP2006524408A (fr) |
KR (1) | KR100974449B1 (fr) |
CN (1) | CN100382161C (fr) |
AU (1) | AU2004232280B2 (fr) |
BR (1) | BRPI0409692A (fr) |
CA (1) | CA2523143A1 (fr) |
MX (1) | MXPA05011372A (fr) |
RU (1) | RU2361292C2 (fr) |
TW (1) | TW200501069A (fr) |
WO (1) | WO2004095439A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2004206483B2 (en) | 2003-01-23 | 2008-06-26 | Lg Electronics Inc. | Recording medium with copy protection information formed in intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium |
KR100952949B1 (ko) | 2003-01-24 | 2010-04-15 | 엘지전자 주식회사 | 고밀도 광디스크의 복사 방지 정보 관리방법 |
ATE400874T1 (de) * | 2004-08-31 | 2008-07-15 | Koninkl Philips Electronics Nv | Zugriff auf voraufgezeichnete inhalte auf einem datenträger |
US7746746B2 (en) | 2004-11-16 | 2010-06-29 | Hewlett-Packard Development Company, L.P. | Optical media with control data in wobble |
GB2423408A (en) * | 2005-02-22 | 2006-08-23 | Zootech Ltd | Identifying audiovisual apparatus and associated methods and content stored on data carriers |
US8543785B2 (en) * | 2006-07-28 | 2013-09-24 | Microsoft Corporation | Protocol for managed copy of media content |
US8635453B2 (en) | 2010-03-03 | 2014-01-21 | Panasonic Corporation | Controller to be incorporated in storage medium device, storage medium device, system for manufacturing storage medium device, and method for manufacturing storage medium device |
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- 2004-04-24 MX MXPA05011372A patent/MXPA05011372A/es active IP Right Grant
- 2004-04-24 BR BRPI0409692-4A patent/BRPI0409692A/pt not_active Application Discontinuation
- 2004-04-24 EP EP04729375A patent/EP1616325A4/fr not_active Withdrawn
- 2004-04-24 WO PCT/KR2004/000953 patent/WO2004095439A1/fr active Application Filing
- 2004-04-24 AU AU2004232280A patent/AU2004232280B2/en not_active Ceased
- 2004-04-24 RU RU2005132652/28A patent/RU2361292C2/ru not_active IP Right Cessation
- 2004-04-24 JP JP2006507823A patent/JP2006524408A/ja active Pending
- 2004-04-24 CA CA002523143A patent/CA2523143A1/fr not_active Abandoned
- 2004-04-26 US US10/831,172 patent/US20040213113A1/en not_active Abandoned
- 2004-04-26 TW TW093111655A patent/TW200501069A/zh unknown
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2007
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Also Published As
Publication number | Publication date |
---|---|
MXPA05011372A (es) | 2005-12-15 |
US20040213113A1 (en) | 2004-10-28 |
EP1616325A4 (fr) | 2010-02-17 |
KR100974449B1 (ko) | 2010-08-10 |
AU2004232280A1 (en) | 2004-11-04 |
BRPI0409692A (pt) | 2006-04-18 |
JP2006524408A (ja) | 2006-10-26 |
CN1777935A (zh) | 2006-05-24 |
AU2004232280B2 (en) | 2009-08-20 |
CA2523143A1 (fr) | 2004-11-04 |
US20080056493A1 (en) | 2008-03-06 |
WO2004095439A1 (fr) | 2004-11-04 |
KR20040092650A (ko) | 2004-11-04 |
EP1616325A1 (fr) | 2006-01-18 |
RU2005132652A (ru) | 2007-05-27 |
TW200501069A (en) | 2005-01-01 |
RU2361292C2 (ru) | 2009-07-10 |
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